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<h3>Credits:</h3>
<ul>
<li><a href="#Auth">The author</a></li>
<li><a href="#Ack">Acknowledgements</a></li>
</ul>
<hr>

<a name="Auth"></a><h3>The Author</h3>

<p><a href="SP_0_Main.htm">SPANA</a> and
<a href="DB_0_Main.htm">DATABASE</a> are Java programs written by I.Puigdomenech.
These programs are modified versions of earlier software
(MEDUSA, HYDRA and INPUT-SED-PREDOM) that were developed
in MicroSoft&rsquo;s Visual <nobr>Basic 6</nobr> at the Dept.
of Inorganic Chemistry, Royal Institute of Technology (KTH), Stockholm, Sweden.

<p>The INPUT-SED-PREDOM programs (written in FORTRAN) were reported in:
<ul>
<li>I.Puigdomenech (1983) &#147;INPUT, SED, and PREDOM: Computer programs
drawing equilibrium diagrams&#148;,
Technical report TRITA-OOK-3010 (ISSN 0348-825X), 12&nbsp;pp.,
Royal Institute of Technology (KTH),
Dept. Inorg. Chemistry, <nobr>SE-100 44</nobr> Stockholm.</li>
<li>I.Puigdomenech (2000) &#147;Windows software for the graphical presentation
of chemical speciation&#148;,
in: <i>219th ACS National Meeting. Abstracts of Papers</i>, <nobr>Vol.1.</nobr>
Amer. Chem. <nobr>Soc.,</nobr>
San Francisco, Ca, March <nobr>26-30,</nobr> 2000.
Abstract <nobr>I&amp;EC-248.</nobr></li>
</ul>
</p>

<a name="Ack"></a>
<h3>Acknowledgements</h3>

<p>Some parts of these computer codes have their origin in the work of
other programmers.
For example some plotting ideas were taken from the
<a href="SP_Solgaswater.htm">SOLGASWATER</a> code,
and the chemical equilibrium
compositions are calculated with the <a href="SP_Haltafall.htm">HALTAFALL</a> algorithm.</p><p>
<a href="DB_0_Main.htm">DATABASE</a> was inspired on a
program &amp; database (for MS-DOS) created by Mingsheng Wang, and
Mamoun Muhammed, both at Materials Chemistry, KTH.
Moreover, ideas have been taken from a prototype
program by Dr&nbsp;Andrey Zagorodny (also from Materials Chemistry, KTH).</p>

<p>The following persons have contributed with ideas, suggestions and/or
programming code:
Johan Blixt (KTH), Gunnar Eriksson (Ume&aring; Universitet, author of <a href="SP_Solgaswater.htm">SOLGASWATER</a>),
Ingmar Grenthe (KTH), Sven-Olof Pettersson (Studsvik),
Joachim Zeising (KTH).
Many thanks are due to the chemistry teaching staff at KTH:
Joan Lind, Gabor Merenyi, Olle Wahlberg, Tom Wallin,
M&auml;rtha &Aring;berg, and many others.</p>


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